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Kwang Hyun Chung 5 Articles
Efficacy of a novel channel-cleaning ball brush for endoscope reprocessing: a randomized controlled trial
Kwang Hyun Chung, Jeong Don Chae, Wonho Choe, Hyo Young Lee, Il Hwan Oh, Byoung Kwan Son
Clin Endosc 2022;55(5):674-682.   Published online August 2, 2022
DOI: https://doi.org/10.5946/ce.2021.210
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Background
/Aims: Endoscopic channels are difficult to clean and can cause infection transmission. We examined the effectiveness of a newly developed channel-cleaning ball brush (BB), which is sucked into the endoscopic channel and scrapes and cleans the lumen as it passes through.
Methods
The upper and lower gastrointestinal endoscopes used for patient examinations were randomly selected as the conventional brush (CB) or BB group. After manual cleaning, the presence or absence of carbohydrates, proteins, adenosine triphosphate, and hemoglobin was assessed.
Results
Fifty-six and 58 endoscopes were cleaned with the CB and BB, respectively. Carbohydrate and protein were detected in one (1.8%) and two endoscopes (3.4%) in the CB and BB groups, respectively (p=1.000). Hemoglobin was observed in one (1.8%) and three endoscopes (5.2%) in the CB and BB groups, respectively (p=0.636). The adenosine triphosphate levels were 10.6±15.9 and 12.5±14.3 relative light units in the CB and BB groups, respectively (p=0.496). Twenty-seven (48.2%) and 19 (32.8%) endoscopes were positive for microbial cultures in the CB and BB groups, respectively (p=0.136).
Conclusions
The efficacy of BB was not significantly different from that of CB in the endoscopic channel-cleaning process.

Citations

Citations to this article as recorded by  
  • An investigation into cleaning quality of suction-type metal lumen instruments: a cross-sectional study
    Yuqi Wu, Li Li
    Scientific Reports.2025;[Epub]     CrossRef
  • A prospective, quasi-experimental study on the efficacy of a novel double-headed endoscope cleaning brush for cleaning flexible endoscopes
    Rui Shen, Yaping Wu, Jiajun Lv, Qukai Liu, Weiyan Yao, Shu Chen, Dandan Liu, Huijun Xi, Yibo Zhang
    BMC Gastroenterology.2025;[Epub]     CrossRef
  • Comparison of Brushing Efficacy for Gastroscopes Using Different Brush Types Under Simulated Contamination Conditions
    Jinying LI, Wenqian HU, Chenying ZHOU, Yuxin GE, Qing GU
    Journal of Hospital Infection.2025;[Epub]     CrossRef
  • Simulated-use evaluation of rapid ChannelCheck™ cleaning test for optimal detection of organic residues in flexible endoscope channels
    K. Kulkarni, M. Gavette, M.J. Alfa
    Journal of Hospital Infection.2024; 152: 66.     CrossRef
  • 4,432 View
  • 192 Download
  • 3 Web of Science
  • 4 Crossref
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General guideline in the endoscopy room to avoid air-borne infection during the COVID-19 pandemic
Kwang Hyun Chung, Soo-Jeong Cho
Clin Endosc 2022;55(5):688-690.   Published online September 14, 2022
DOI: https://doi.org/10.5946/ce.2022.146
PDFPubReaderePub

Citations

Citations to this article as recorded by  
  • Unlocking insights: Navigating COVID-19 challenges and Emulating future pandemic Resilience strategies with strengthening natural immunity
    Sunil J. Wimalawansa
    Heliyon.2024; 10(15): e34691.     CrossRef
  • 3,246 View
  • 126 Download
  • 1 Web of Science
  • 1 Crossref
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Multidisciplinary and Multisociety Practice Guideline on Reprocessing Flexible Gastrointestinal Endoscopes and Endoscopic Accessories
Dae Young Cheung, Byung Ik Jang, Sang Wook Kim, Jie-Hyun Kim, Hyung Keun Kim, Jeong Eun Shin, Won Jae Yoon, Yong Kang Lee, Kwang Hyun Chung, Soo-Jeong Cho, Hyun Phil Shin, Sun Young Cho, Woon Geon Shin, Kee Don Choi, Byung-Wook Kim, Joong Goo Kwon, Hee Chan Yang, Tae-Geun Gweon, Hyun Gun Kim, Dong-Won Ahn, Kwang Bum Cho, Sun Hee Kim, Kyong Hwa Hwang, Hee Hyuk Im
Clin Endosc 2020;53(3):276-285.   Published online May 29, 2020
DOI: https://doi.org/10.5946/ce.2020.106
AbstractAbstract PDFPubReaderePub
The area of endoscopic application has been continuously expanded since its introduction in the last century and the frequency of its use also increased stiffly in the last decades. Because gastrointestinal endoscopy is naturally exposed to diseased internal organs and contact with pathogenic materials, endoscopy mediated infection or disease transmission becomes a major concern in this field. Gastrointestinal endoscopy is not for single use and the proper reprocessing process is a critical factor for safe and reliable endoscopy procedures. What needed in these circumstances is a practical guideline for reprocessing the endoscope and its accessories which is feasible in the real clinical field to guarantee acceptable prevention of pathogen transmission. This guideline contains principles and instructions of the reprocessing procedure according to the step by step. And it newly includes general information and updated knowledge about endoscopy-mediated infection and disinfection. Multiple societies and working groups participated to revise; Korean Association for the Study of the Liver, the Korean Society of Infectious Diseases, Korean College of Helicobacter and Upper Gastrointestinal Research, the Korean Society of Gastroenterology, Korean Society of Gastrointestinal Cancer, Korean Association for the Study of Intestinal Diseases, Korean Pancreatobiliary Association, the Korean Society of Gastrointestinal Endoscopy Nurses and Associates and Korean Society of Gastrointestinal Endoscopy. Through this cooperation, we enhanced communication and established a better concordance. We still need more researches in this field and fill up the unproven area. And our guidelines will be renewed accordingly.

Citations

Citations to this article as recorded by  
  • A New Drying Method of Thermolabile Flexible Endoscope Channels by Laminar and Turbulent Airflow: A Prospective, Randomized-Controlled, Single-Center, Proof-of-Concept Trial
    Florian A. Michael, Michael Jung, Mike Reimers, Clara Oschwald, Ulrike Mihm, Christoph Welsch, Dirk Walter, Fabian Finkelmeier, Johannes Masseli, Anita Pathil, Georg Dultz, Danuta Puhlmann, Laura Diaz-Martinez, Daniel Hack, Neelam Lingwal, Jörg Bojunga, V
    American Journal of Gastroenterology.2025; 120(5): 1027.     CrossRef
  • A prospective, quasi-experimental study on the efficacy of a novel double-headed endoscope cleaning brush for cleaning flexible endoscopes
    Rui Shen, Yaping Wu, Jiajun Lv, Qukai Liu, Weiyan Yao, Shu Chen, Dandan Liu, Huijun Xi, Yibo Zhang
    BMC Gastroenterology.2025;[Epub]     CrossRef
  • Impact of Different Pressures on the Drying Time of Flexible Endoscopes
    Wenqian Hu, Jinying Li, Chenying Zhou, Yuxin Ge, Qing Gu
    Journal of Hospital Infection.2025;[Epub]     CrossRef
  • Efficacy and safety of three-dimensional magnetically assisted capsule endoscopy for upper gastrointestinal and small bowel examination
    Dong Jun Oh, Yea Je Lee, Sang Hoon Kim, Joowon Chung, Hyun Seok Lee, Ji Hyung Nam, Yun Jeong Lim, Thomas Lui Ka Luen
    PLOS ONE.2024; 19(5): e0295774.     CrossRef
  • EUS-Guided Vascular Interventions: Recent Advances
    Sahib Singh, Saurabh Chandan, Sumant Inamdar, Kambiz S. Kadkhodayan, Jahnvi Dhar, Jayanta Samanta, Antonio Facciorusso
    Journal of Clinical Medicine.2024; 13(16): 4835.     CrossRef
  • Endoscope Cleaning and Disinfection Guidelines for Primary Care Physicians
    Yoo-Bin Seo, Seung Hee Kim, Eon Sook Lee, Seung Jin Jung, Sang Keun Hahm
    Korean Journal of Family Practice.2024; 14(4): 165.     CrossRef
  • Current status of the gastric cancer screening program in Korea
    Young-Il Kim, Il Ju Choi
    Journal of the Korean Medical Association.2022; 65(5): 250.     CrossRef
  • Reducing the environmental footprint of gastrointestinal endoscopy: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastroenterology and Endoscopy Nurses and Associates (ESGENA) Position Statement
    Enrique Rodríguez de Santiago, Mario Dinis-Ribeiro, Heiko Pohl, Deepak Agrawal, Marianna Arvanitakis, Robin Baddeley, Elzbieta Bak, Pradeep Bhandari, Michael Bretthauer, Patricia Burga, Leigh Donnelly, Axel Eickhoff, Bu'Hussain Hayee, Michal F. Kaminski,
    Endoscopy.2022; 54(08): 797.     CrossRef
  • Current Evidence for a Paradigm Shift in Gastric Cancer Prevention From Endoscopic Screening toHelicobacter pyloriEradication in Korea
    Young-Il Kim, Il Ju Choi
    Journal of Gastric Cancer.2022; 22(3): 169.     CrossRef
  • General guideline in the endoscopy room to avoid air-borne infection during the COVID-19 pandemic
    Kwang Hyun Chung, Soo-Jeong Cho
    Clinical Endoscopy.2022; 55(5): 688.     CrossRef
  • Efficacy of a novel channel-cleaning ball brush for endoscope reprocessing: a randomized controlled trial
    Kwang Hyun Chung, Jeong Don Chae, Wonho Choe, Hyo Young Lee, Il Hwan Oh, Byoung Kwan Son
    Clinical Endoscopy.2022; 55(5): 674.     CrossRef
  • Endoscopes that Complete Pre-Cleaning may be Stored Overnight until Next Morning for the Subsequent Reprocessing
    Soo-Jeong Cho
    Clinical Endoscopy.2021; 54(4): 449.     CrossRef
  • Accreditation program for gastrointestinal endoscopes reprocessing in Italy: An on-site survey
    Giancarlo Spinzi, Angelo Milano, Piero Brosolo, Paola Da Massa Carrara, Maurizio Labardi, Alberto Merighi, Luisa Riccardi, Francesco Torresan, Maurizio Capelli
    Endoscopy International Open.2021; 09(11): E1627.     CrossRef
  • Sans Standardization: Effective Endoscope Reprocessing
    Sameer K. Avasarala, Lawrence F. Muscarella, Atul C. Mehta
    Respiration.2021; 100(12): 1208.     CrossRef
  • 11,054 View
  • 363 Download
  • 12 Web of Science
  • 14 Crossref
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What is the Best Sampling Method to Monitor the Effect of Endoscopy Reprocessing?
Kwang Hyun Chung, Byung Ik Jang
Clin Endosc 2018;51(5):397-398.   Published online September 21, 2018
DOI: https://doi.org/10.5946/ce.2018.146
PDFPubReaderePub

Citations

Citations to this article as recorded by  
  • A prospective, quasi-experimental study on the efficacy of a novel double-headed endoscope cleaning brush for cleaning flexible endoscopes
    Rui Shen, Yaping Wu, Jiajun Lv, Qukai Liu, Weiyan Yao, Shu Chen, Dandan Liu, Huijun Xi, Yibo Zhang
    BMC Gastroenterology.2025;[Epub]     CrossRef
  • 4,459 View
  • 100 Download
  • 1 Web of Science
  • 1 Crossref
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Pancreatic Pseudocyst after Endoscopic Ultrasound-Guided Fine Needle Aspiration of Pancreatic Mass
Kwang Hyun Chung, Ji Kon Ryu, Hong Sang Oh, Ji Yeon Seo, Eunhyo Jin, Dong Hyeon Lee, Yong-Tae Kim, Yong Bum Yoon
Clin Endosc 2012;45(4):431-434.   Published online November 30, 2012
DOI: https://doi.org/10.5946/ce.2012.45.4.431
AbstractAbstract PDFPubReaderePub

Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) is well known as a safe diagnostic procedure. We report the first case of pancreatic pseudocyst after EUS-FNA of the pancreatic body mass. A 60-year-old male underwent EUS-FNA for incidentally detected pancreatic solid mass which was suspected as neuroendocrine tumor. Two weeks later, the patient visited emergency room with acute abdominal pain and right upper quadrant tenderness; leukocytosis and elevated C-reactive protein, amylase, and lipase levels were noted. Computed tomography discovered newly developed 11.5×9.5 cm sized cystic mass communicating with the main pancreatic duct. Cyst fluid analysis revealed amylase level of 3,423 U/L and fluid culture isolated Streptococcus parasanguinis. The cystic mass corresponds with pancreatic pseudocyst. FNA induced main pancreatic duct injury and fluid leakage may cause it. Endoscopists who perform EUS-FNA must remember that pancreatic main duct injury can occur as one of severe complications and that it could be treated successfully with endoscopic internal drainage.

Citations

Citations to this article as recorded by  
  • Pancreatic Pseudocyst after Fully Covered Self-expandable Metallic Stent Placement
    Mitsuhito Koizumi, Sho Ishikawa, Kaori Marui, Masahito Kokubu, Yusuke Okujima, Yuki Numata, Yoshiki Imamura, Teru Kumagi, Yoichi Hiasa
    Internal Medicine.2024; 63(21): 2943.     CrossRef
  • Needle tract seeding and abscess associated with pancreatic fistula after endoscopic ultrasound-guided fine-needle aspiration
    Takeshi Okamoto, Kenji Nakamura, Ayaka Takasu, Toshimi Kaido, Katsuyuki Fukuda
    Clinical Journal of Gastroenterology.2020; 13(6): 1322.     CrossRef
  • Peripancreatic Fluid Collection Complicated by Endoscopic Ultrasound-Guided Fine-Needle Aspiration
    Tsuyoshi Suda, Kazuya Kitamura, Shuichi Kaneko
    ACG Case Reports Journal.2020; 7(7): e00432.     CrossRef
  • Early pancreatic cancer — The role of endoscopic ultrasound with or without tissue acquisition in diagnosis and staging
    Pedro Moutinho-Ribeiro, Julio Iglesias-Garcia, Rui Gaspar, Guilherme Macedo
    Digestive and Liver Disease.2019; 51(1): 4.     CrossRef
  • Endoscopic ultrasonography guided-fine needle aspiration for the diagnosis of solid pancreaticobiliary lesions: Clinical aspects to improve the diagnosis
    Hiroyuki Matsubayashi
    World Journal of Gastroenterology.2016; 22(2): 628.     CrossRef
  • A Patient with a Wedge-shaped Pulmonary Lesion Associated with Streptococcus parasanguinis
    Hiroya MIYAMOTO, Harumi GOMI, Haruhiko ISHIOKA, taijiro SHIROKAWA
    Kansenshogaku Zasshi.2016; 90(3): 316.     CrossRef
  • Immunodepletion Plasma Proteomics by TripleTOF 5600 and Orbitrap Elite/LTQ-Orbitrap Velos/Q Exactive Mass Spectrometers
    Kelly A. Jones, Phillip D. Kim, Bhavinkumar B. Patel, Steven G. Kelsen, Alan Braverman, Derrick J. Swinton, Philip R. Gafken, Lisa A. Jones, William S. Lane, John M. Neveu, Hon-Chiu E. Leung, Scott A. Shaffer, John D. Leszyk, Bruce A. Stanley, Todd E. Fox
    Journal of Proteome Research.2013; 12(10): 4351.     CrossRef
  • 7,735 View
  • 59 Download
  • 7 Crossref
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